A researcher is interested in the relationship between caffeine consumption and activity level for e
Question: A researcher is interested in the relationship between caffeine consumption and activity level for elementary school children. A sample of 20 children is obtained and each child is interviewed to determine a level of caffeine consumption. The researcher then records the level of activity for each child during a 30-minute session on the playground. Is this an experimental or a correlational study? Explain your answer.
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